Answer Posted / kamaleswaran

skin effect is the tendency of alternating current to concentrate on the outer part(skin) of the transmission lines as the inductance is high at the centre part.. this is completely absent incase of direct current..

how 650 volts creates? where is use?

2249

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we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1792

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what happen if the parallel generator phase angle shift by 1 degree in manual mode

2095

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how to test power transformer.YNd11

1610

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am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

1939

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why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

2610

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

2170

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I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

2077

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What is knee point voltage?

1201

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what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

2058

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size of condotory fron voltage level

2257

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Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

1903

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Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

1751

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After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

2406

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how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

1790

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